Senior Administrative Assistant

We are seeking a highly organized, proactive Senior Administrative Assistant to provide dedicated support to a senior R&D leader, coordinating regional and global events and delivering impactful projects and events to bring our science and people together.

Key Responsibilities

• Provide full PA support, including calendar management, travel coordination, and expense management.
• Act as a trusted partner, anticipating needs and ensuring smooth day-to-day operations.
• Prepare presentations, reports, and materials for business reviews and leadership meetings.
• Plan and deliver CSA and R&D events, both regional and global. Coordinate logistics end-to-end, partnering cross-functionally to ensure seamless execution.
• Support wider global initiatives and team engagement activities.
• Manage communications and respond to internal/external requests with professionalism.
• Coordinate across departments and global teams to gather information and drive outcomes.
• Support ad-hoc projects, research, and reporting activities.

What You’ll Bring

• Strong experience in executive support, calendar management, and event planning.
• Highly collaborative and efficient, with the ability to work cross-functionally across global teams.
• Comfortable working in a fast-paced, evolving environment with competing priorities.
• Excellent communication skills and attention to detail.
• Proficiency in Outlook, Word, Excel, and PowerPoint.

Ways of Working

• Accountable – owning priorities and delivering with excellence.
• Collaborative – building strong relationships across teams and geographies.
• Customer-focused – enabling leaders and teams to perform at their best.
• Innovative with Purpose – finding smarter, more efficient ways to operate.
• Committed to Excellence – maintaining high standards in everything you deliver.

Compensation & Benefits

The estimated base salary range for the Senior Administrative Assistant role based in the United Kingdom is GBP 30,600 – 45,800. The range reflects long-term growth; most candidates are hired between the minimum and middle of the range. All employees are eligible for variable cash programs (bonus or commission) and eligible roles may receive equity. Benefits include flexible time off, flexible benefits, a company contribution of 10% into your pension, private medical insurance, and additional support during important life moments.

Equal Opportunity Employer

Illumina is a proud equal-opportunity employer committed to providing employment opportunity regardless of sex, race, creed, color, gender, religion, marital status, domestic partner status, age, national origin or ancestry, physical or mental disability, medical condition, sexual orientation, pregnancy, military or veteran status, citizenship status, and genetic information. Illumina conducts background checks on applicants for whom a conditional offer of employment has been made. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable local, state, and federal laws.